🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.3

Radius: 9.7

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.73 AU - 0.99 AU

Year: 515 Days

Day: 5.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,810,994 km

• M1: 121,773 km (0.118 R)
• M2: 465,848 km (0.046 R)
• M3: 900,579 km (0.101 R)
• M4: 1,279,810 km (0.031 R)
• M5: 1,600,099 km (0.116 R)
• M6: 2,157,800 km (0.104 R)
• M7: 2,501,576 km (0.103 R)
• M8: 3,465,734 km (0.088 R)
• M9: 3,979,902 km (0.119 R)
• M10: 4,913,841 km (0.09 R)
• M11: 5,416,341 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.1

Radius: 9.7

Gravity: 9.97 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.73 AU - 1.21 AU

Year: 617 Days

Day: 8.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,810,994 km

• M1: 120,725 km (0.089 R)
• M2: 439,668 km (0.115 R)
• M3: 886,966 km (0.032 R)
• M4: 1,194,240 km (0.055 R)
• M5: 1,785,451 km (0.068 R)
• M6: 2,764,419 km (0.06 R)
• M7: 3,151,878 km (0.086 R)
• M8: 3,631,040 km (0.058 R)
• M9: 4,685,705 km (0.079 R)
• M10: 5,550,679 km (0.117 R)
• M11: 6,090,728 km (0.084 R)
• M12: 6,750,454 km (0.075 R)
• M13: 7,186,383 km (0.12 R)
• M14: 8,310,012 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.1

Radius: 10

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.99 AU - 1.35 AU

Year: 817 Days

Day: 9.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,810,994 km

• M1: 124,316 km (0.107 R)
• M2: 517,010 km (0.09 R)
• M3: 920,924 km (0.076 R)
• M4: 1,239,568 km (0.077 R)
• M5: 1,861,446 km (0.078 R)
• M6: 2,460,885 km (0.062 R)
• M7: 2,924,638 km (0.067 R)
• M8: 3,919,015 km (0.051 R)
• M9: 4,384,863 km (0.101 R)
• M10: 4,762,598 km (0.115 R)
• M11: 5,564,143 km (0.067 R)
• M12: 5,945,767 km (0.113 R)
• M13: 6,474,745 km (0.088 R)
• M14: 6,807,002 km (0.106 R)
• M15: 7,505,774 km (0.077 R)
• M16: 9,183,364 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.7

Radius: 10.7

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.11 AU - 1.47 AU

Year: 946 Days

Day: 10.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,810,994 km

• M1: 139,425 km (0.101 R)
• M2: 477,516 km (0.1 R)
• M3: 1,232,387 km (0.087 R)
• M4: 1,967,511 km (0.026 R)
• M5: 2,531,645 km (0.052 R)
• M6: 4,960,815 km (0.061 R)
• M7: 5,851,072 km (0.119 R)
• M8: 7,827,110 km (0.082 R)
• M9: 8,440,013 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.2

Radius: 14.8

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.54 AU - 3.42 AU

Year: 3322 Days

Day: 8.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,810,994 km

• M1: 185,202 km (0.058 R)
• M2: 1,710,203 km (0.075 R)
• M3: 3,038,482 km (0.118 R)
• M4: 5,560,104 km (0.115 R)
• M5: 6,274,135 km (0.046 R)
• M6: 7,506,522 km (0.075 R)
• M7: 8,313,453 km (0.045 R)
• M8: 8,790,221 km (0.101 R)
• M9: 9,503,055 km (0.088 R)
• M10: 10,292,782 km (0.113 R)
• M11: 11,496,596 km (0.097 R)
• M12: 12,972,230 km (0.059 R)
• M13: 14,183,524 km (0.096 R)
• M14: 14,816,772 km (0.108 R)
• M15: 18,499,721 km (0.059 R)
• M16: 19,732,109 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.4

Radius: 12.4

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.49 AU - 5.69 AU

Year: 7415 Days

Day: 12.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 144.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,810,994 km

• M1: 154,834 km (0.094 R)
• M2: 749,186 km (0.116 R)
• M3: 1,264,102 km (0.097 R)
• M4: 1,718,281 km (0.069 R)
• M5: 2,245,614 km (0.069 R)
• M6: 3,546,966 km (0.077 R)
• M7: 4,810,469 km (0.112 R)
• M8: 7,185,635 km (0.089 R)
• M9: 8,597,689 km (0.117 R)
• M10: 9,001,603 km (0.06 R)
• M11: 11,399,807 km (0.111 R)
• M12: 11,850,096 km (0.091 R)
• M13: 13,437,629 km (0.119 R)
• M14: 14,282,558 km (0.117 R)
• M15: 14,894,712 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.1

Radius: 9.6

Gravity: 10.56 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 4.87 AU - 6.37 AU

Year: 8602 Days

Day: 13.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 61,810,994 km

• M1: 119,529 km (0.073 R)
• M2: 508,334 km (0.092 R)
• M3: 1,097,749 km (0.104 R)
• M4: 1,682,826 km (0.095 R)
• M5: 2,406,731 km (0.086 R)
• M6: 2,745,271 km (0.101 R)
• M7: 3,594,388 km (0.05 R)
• M8: 3,904,504 km (0.106 R)
• M9: 6,124,088 km (0.114 R)
• M10: 6,799,074 km (0.104 R)
• M11: 7,357,672 km (0.092 R)
• M12: 10,621,000 km (0.118 R)
• M13: 11,762,731 km (0.113 R)
• M14: 14,224,514 km (0.065 R)
• M15: 15,138,557 km (0.099 R)
• M16: 16,160,609 km (0.116 R)
• M17: 16,795,652 km (0.077 R)
• M18: 18,115,405 km (0.047 R)
• M19: 19,981,040 km (0.037 R)
• M20: 23,908,732 km (0.047 R)
• M21: 25,012,166 km (0.051 R)
• M22: 27,320,461 km (0.107 R)
• M23: 28,019,532 km (0.114 R)
• M24: 28,628,245 km (0.102 R)
• M25: 29,453,577 km (0.071 R)
• M26: 31,259,821 km (0.088 R)
• M27: 37,242,390 km (0.089 R)
• M28: 37,731,874 km (0.083 R)
• M29: 45,459,951 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 679.8

Radius: 4.4

Gravity: 35.11 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.89 AU - 8.13 AU

Year: 13288 Days

Day: 20.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,810,994 km

• M1: 55,351 km (0.034 R)
• M2: 348,563 km (0.097 R)
• M3: 516,561 km (0.079 R)
• M4: 794,514 km (0.071 R)
• M5: 1,203,814 km (0.115 R)
• M6: 1,825,094 km (0.119 R)
• M7: 3,074,984 km (0.062 R)
• M8: 6,399,947 km (0.078 R)
• M9: 7,142,401 km (0.111 R)
• M10: 7,713,266 km (0.096 R)
• M11: 9,555,863 km (0.075 R)
• M12: 10,302,805 km (0.109 R)
• M13: 14,354,065 km (0.119 R)
• M14: 17,575,057 km (0.106 R)
• M15: 18,288,489 km (0.111 R)
• M16: 24,803,327 km (0.094 R)
• M17: 25,498,957 km (0.096 R)
• M18: 28,520,086 km (0.025 R)
• M19: 31,079,406 km (0.036 R)
• M20: 32,473,509 km (0.111 R)
• M21: 36,394,170 km (0.075 R)
• M22: 41,584,468 km (0.11 R)
• M23: 43,561,853 km (0.058 R)
• M24: 49,554,893 km (0.105 R)
• M25: 55,230,038 km (0.1 R)
• M26: 56,244,461 km (0.116 R)
• M27: 57,443,488 km (0.056 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 571.7

Radius: 5.4

Gravity: 19.61 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 8.31 AU - 8.71 AU

Year: 16029 Days

Day: 18.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,810,994 km

• M1: 67,319 km (0.095 R)
• M2: 329,714 km (0.112 R)
• M3: 583,731 km (0.115 R)
• M4: 1,229,246 km (0.106 R)
• M5: 1,408,015 km (0.103 R)
• M6: 2,015,383 km (0.102 R)
• M7: 3,094,282 km (0.082 R)
• M8: 3,645,850 km (0.111 R)
• M9: 4,199,212 km (0.1 R)
• M10: 5,290,977 km (0.076 R)
• M11: 6,559,717 km (0.071 R)
• M12: 9,207,450 km (0.036 R)
• M13: 10,452,254 km (0.103 R)
• M14: 11,262,625 km (0.045 R)
• M15: 12,747,983 km (0.119 R)
• M16: 13,944,466 km (0.118 R)
• M17: 16,252,911 km (0.102 R)
• M18: 17,577,301 km (0.087 R)
• M19: 18,061,400 km (0.113 R)
• M20: 18,804,153 km (0.097 R)
• M21: 21,702,313 km (0.114 R)
• M22: 22,730,948 km (0.099 R)
• M23: 23,988,019 km (0.076 R)
• M24: 25,803,987 km (0.041 R)
• M25: 28,696,911 km (0.114 R)
• M26: 29,820,840 km (0.114 R)
• M27: 30,049,275 km (0.102 R)
• M28: 31,208,210 km (0.049 R)
• M29: 33,368,852 km (0.081 R)
• M30: 41,006,721 km (0.113 R)
• M31: 41,289,012 km (0.083 R)
• M32: 52,338,909 km (0.108 R)
• M33: 53,339,869 km (0.055 R)
• M34: 53,845,061 km (0.039 R)
• M35: 54,353,394 km (0.089 R)
• M36: 55,552,122 km (0.106 R)
• M37: 59,073,955 km (0.103 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 20,085 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit